1999/05/01 Caterpillar

Use 157-3722 Driver To Remove And Install Engine Valve Guides{0703,1104}

Usage:

3054 (5YS, 2PW),
3056 (7MS, 3GW) Engines

Warranty Category: G

Features/Benefits

* Used to remove and install valve guides

* Used with 9U-6220 Stop Collar

* Heat-treated for added durability

Specifications/Technical Information

Small diameter - 8.40 mm (.33 in)

Larger diameter - 12.75 mm (.50 in)

Overall diameter - 19.05 mm (.75 in)

Overall diameter - 19.05 mm (.75 in)

157-3722 Valve Guide Driver

Caterpillar Information System:

1999/04/01 New Control Panel Films Show That SR4B Generators Are Not To Be Wired In The Delta Configuration{7557,7566}

1999/04/01 Updated 133-6350 EMCP II Generator Set Control Group Corrects Hourmeter Programming and Spare Fault Operation{4490}

1999/04/01 Special Instruction, REHS0345-01, "Generator Service Literature Index" Is Available{4450}

1999/04/01 Improved Data Logger Feature For Customer Communication Module{1926}

1999/04/01 New 155-5175 AC Current Probe For Generator Sets Now Available{1400,4450}

1999/04/01 Protection From Paint Is Required For The G3600 Hydraulic Actuator (Hydrax) Shaft{1909,7581}

1999/04/01 New Cover And Plate Assembly Used In Oil Level Contactor Groups To Help Resist Vibration Damage{1326,7450}

1999/04/01 Heinzmann Wastegate Actuator Relocated{1057}

1999/04/01 Using The Correct Diode When Using The Customer Communication Module In Multiple Engine Applications{1902,0374}

1999/04/01 Be Sure To Use The Correct Gas Fuel Pressure{1250,1270,1293}

1999/04/01 New Exhaust Manifold Group Seals Provides Improved Exhaust Gas Sealing{1059}

1999/04/01 Re-Alignment Warning Tag On All 3500 Generator Sets Reminds Of Alignment Required At Installation{1021}

1999/05/01 Cold Start Advance Solenoid Available{1272,1250}

1999/05/01 New Design Of Cylinder Block And Main Bearings{1201,1203,1224}

1999/05/01 New Block Cover Used{1201}

1999/05/01 New Stainless Steel Filler Neck Now Used In Radiator Groups{1353}

1999/05/01 Use 125-5597 Mounting Bar To Disassemble And Assemble Heat Exchanger{1379}

1999/05/01 New Breakout Harness{1559}

1999/05/01 New Turbocharger Supports Help Prevent Watercooled Exhaust Manifold Cracking{1059,1052}

1999/05/01 New Basic Cylinder Head Group Used In 3500B High Speed Commercial Engines{1100,1103,1105}

1999/05/01 New Flywheel Housing Assembly Available{1157}

1999/05/01 Changes To High Pressure Gas Regulator Assembly Provide Improved Response{1270,1283}

1999/05/01 New High Pressure Air/Fuel Ratio Control (AFRC) Actuator Available For Operations In Wet Locations {1278}

1999/05/01 New Service Tool And Procedure To Test Detonation Sensor For Proper Performance{1559}